Home / 189,530.28-261,551.76-108,973.56

Finding the Fourth Proportional to 189,530.28, 261,551.76 and 108,973.56

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Solution

The fourth proportional to 189,530.28, 261,551.76 and 108,973.56 is: 150,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,530.28 : 261,551.76 = 108,973.56 : x
  2. Step 2: Convert to fraction form
    189,530.28/261,551.76 = 108,973.56/x
  3. Step 3: Cross multiply
    189,530.28x = 261,551.76 × 108,973.56
  4. Step 4: Simplify right side
    189,530.28x = 28,502,226,411.47
  5. Step 5: Solve for x
    x = 28,502,226,411.47/189,530.28
  6. Step 6: Final answer
    x = 150,383.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.